/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.activiti.rest.service.api.runtime.process;

import org.activiti.engine.runtime.Execution;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


/**
 * @author Frederik Heremans
 */
@RestController
public class ProcessInstanceVariableDataResource extends BaseExecutionVariableResource {

    @RequestMapping(value = "/runtime/process-instances/{processInstanceId}/variables/{variableName}/data", method = RequestMethod.GET)
    public @ResponseBody byte[] getVariableData(@PathVariable("processInstanceId") String processInstanceId,
                                                @PathVariable("variableName") String variableName, @RequestParam(value = "scope", required = false) String scope,
                                                HttpServletRequest request, HttpServletResponse response) {

        Execution execution = getProcessInstanceFromRequest(processInstanceId);
        return getVariableDataByteArray(execution, variableName, scope, response);
    }
}
